package com.itheima.handler;

import com.itheima.commen.CustomException;
import com.itheima.commen.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

@ControllerAdvice(annotations = {RestController.class, Controller.class})
@ResponseBody
@Slf4j
public class GlobalExceptionHandler {
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public Result exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());
        if(ex.getMessage().contains("Duplicate entry")){
            String[] split = ex.getMessage().split(" ");
            String msg = split[2] + "已存在";
            return new Result(0,msg);
        }
        return new Result(0,"未知错误");
    }
    /**
     * 异常处理方法
     * @return
     */
    @ExceptionHandler(CustomException.class)
    public Result exceptionHandler(CustomException ex){
        log.error(ex.getMessage());
        return new Result(0,ex.getMessage());
    }

}
